1. Networking
By Nachiket Agrawal 10DD

2. Network
A Network consists of more than one computer that are interconnected in order to share files, resources, web and more.

3. Stand Alone
A stand alone device is one which does not require any other devices to function. For example a fax (facsimile) device does not require a modem or a computer to function while a printer needs to be connected to a device, a computer, to function.
Not a stand alone device
A Stand alone device

4. LAN
The Local Area Network is a computer network that interconnects devices in a limited area.
For example a LAN can be over a school, office, home, etc.

5. Advantages and disadvantages of LAN
Hardware can be shared.
Network software is cheaper than individual packages.
The users can access the same files.
A single internet connection can be shared between the users.
Disadvantages:
Can be expensive to set up and maintain.
A virus can spread to all computers if one is infected.
Can be more prone to hacking as there are multiple access points.
If the file server goes down, the entire network can go down if it is a star network.

6. Cabled LAN
Cabled LAN is used to connect a network device to multiple network devices and depending on the size of the network, different cables are used which are:
Twisted pair: is a form of wiring in which two conductors are twisted and this is usually used for home and office uses.
Coaxial cable: uses electromagnetic waves inside the cable and is usually used for televisions.
Optical fiber: is the latest form of cabled LAN and uses light impulses to transfer information.

7. LAN Topologies There are different types of network called topologies:
The bus topology
The ring topology
The star topology

8. Router
A router is a device that transfers data between computer networks.

9. WAN The WAN is a communication network that covers a broad area.
For example between countries, regional area and more.

10. Clients
A client is an application that can access a service which is made available by a server.
The two main types of clients are:
The Fat client: Performing the bulk of data processing operations itself.
The Thin client: Mostly uses the resources of the hosts.

11. Server
A server is a computer program running to serve the requests of the clients.
For example a server in a school would be controlling and storing the data.

12. Client/server network
A client/server network is one which deals with the requests of their clients and the servicers of the servers to transfer information and more.

13. Peer to Peer Network
A peer to peer network is one in which each computer in the network can act as a client and a server. These can be for allowing shared access to files and peripherals.

14. Bib http://fcit.usf.edu/network/chap1/chap1.ht m
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